SISU:
iOS app by Julie Nixon. Health & Fitness · Julie Nixon
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0.3
- Listing last refreshed
- 2026-09-07
View the original store listing
Store description excerpt
Sisu helps you build resilience through cold exposure, heat therapy, breathwork, and mindfulness meditation. Track your progress, follow guided sessions, and develop the mental fortitude to push through discomfort. COLD PLUNGE & ICE BATH TRACKING • Automatic plunge detection with Apple Watch • Real-time heart rate monitoring during sessions • Track water temperature and duration • Voice guidance to calm your mind in the cold • See your steadiness score improve over time SAUNA & HEAT THERAPY • Log sauna sessions with temperature tracking • Monitor heart rate and recovery metrics • Guided breathing to maximize heat benefits • Track contrast therapy (hot/cold) routines GUIDED BREATHWORK • Cyclic Hyperventilation breathing exercises • Box breathing for stress relief • Custom breath patterns and holds • Audio guidance with calming soundscapes • Track breath hold times and rounds MINDFULNESS & MEDITATION • Stillness practice with gentle guidance • Focus on steadiness and presence • Perfect complement to cold exposure APPLE WATCH COMPANION • Start sessions directly from your wrist • Live heart rate during plunges and saunas • Haptic cues for breathing exercises • Complications for quick access HEALTH & INSIGHTS • Sync with Apple Health for HRV and sleep data • Weekly progress reports and trends • See how cold exposure affects your recovery • Track consistency streaks and goals MULTI-STEP ROUTINES • Create custom flows combining practices • Contrast therapy templates (sauna → cold plunge) • Morning routines with breathwork + cold PRO FEATURES • Unlimited sessions (free tier: 3/month) • Premium soundscapes (rain, thunder, forest) • Full session history • Advanced health insights • Voice guidance in 9 languages • Apple Watch app Whether you're training for cold water swimming, optimizing your sauna routine, or building a daily breathwork practice, Sisu gives you the tools to develop true resilience. The name "Sisu" comes from Finnish and represents extraordinary determination and courage in the face of adversity—exactly what you need to embrace the cold. Start your journey to steadiness today. Terms of Use: https://www.sisu.ing/terms Privacy Policy: https://www.sisu.ing/privacy
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